US Patent No. 10,194,547

ELECTRONIC PRODUCT METAL SHELL WITH AN ANTENNA GROOVE AND METHOD OF MANUFACTURING THE SAME


Patent No. 10,194,547
Issue Date January 29, 2019
Title Electronic Product Metal Shell With An Antenna Groove And Method Of Manufacturing The Same
Inventorship Baorong Jiang, Shenzhen (CN)
Chongchong Liao, Shenzhen (CN)
Aihua Li, Shenzhen (CN)
Liang Chen, Shenzhen (CN)
Assignee BYD Company Limited, Shenzhen (CN)

Claim of US Patent No. 10,194,547

1. An electronic product metal shell comprising:a metal layer having a first surface and a second surface;
a hard anodic oxidation layer coated on the first surface and the second surface of the metal layer;
a step recess formed through the hard anodic oxidation layer on the first surface of the metal layer and partially into the metal layer;
an antenna groove disposed within the step recess and extending through the metal layer to expose an inner side of the hard anodic oxidation layer on the second surface of the metal layer; and
a non-conductive material filled in the antenna groove.